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+% CM-style Sans Serif Math Symbols 9 pt
+% Based on fonts by Donald Knuth
+% By Ariel Barton, 2013/4/12
+if unknown sansfontbase: input sansfontbase fi
+
+font_identifier:="CMSSSY"; font_size 9pt#;
+
+u#:=18.5/36pt#; % cmssi9 % unit width
+width_adj#:=13/36pt#; % cmssi9 % width adjustment for certain characters
+serif_fit#:=-6.5/36pt#; % cmssi9 % extra sidebar near lowercase serifs
+cap_serif_fit#:=-9/36pt#; % cmssi9 % extra sidebar near uppercase serifs
+letter_fit#:=0pt#; % cmssi9 % extra space added to all sidebars
+
+body_height#:=243/36pt#; % cmssi9 % height of tallest characters
+asc_height#:=225/36pt#; % cmssi9 % height of lowercase ascenders
+cap_height#:=225/36pt#; % cmssi9 % height of caps
+fig_height#:=212/36pt#; % cmssi9 % height of numerals
+x_height#:=144/36pt#; % cmssi9 % height of lowercase without ascenders
+math_axis#:=81/36pt#; % cmssi9 % axis of symmetry for math symbols
+bar_height#:=71/36pt#; % cmssi9 % height of crossbar in lowercase e
+comma_depth#:=41/36pt#; % cmssi9 % depth of comma below baseline
+desc_depth#:=63/36pt#; % cmssi9 % depth of lowercase descenders
+
+crisp#:=0pt#; % cmssi9 % diameter of serif corners
+tiny#:=0pt#; % cmssi9 % diameter of rounded corners
+fine#:=0pt#; % cmssi9 % diameter of sharply rounded corners
+thin_join#:=16/36pt#; % cmssi9 % width of extrafine details
+hair#:=27/36pt#; % cmssi9 % lowercase hairline breadth
+stem#:=27/36pt#; % cmssi9 % lowercase stem breadth
+curve#:=27/36pt#; % cmssi9 % lowercase curve breadth
+ess#:=27/36pt#; % cmssi9 % breadth in middle of lowercase s
+flare#:=24/36pt#; % cmssi9 % diameter of bulbs or breadth of terminals
+dot_size#:=28/36pt#; % cmssi9 % diameter of dots
+cap_hair#:=27/36pt#; % cmssi9 % uppercase hairline breadth
+cap_stem#:=31/36pt#; % cmssi9 % uppercase stem breadth
+cap_curve#:=31/36pt#; % cmssi9 % uppercase curve breadth
+cap_ess#:=31/36pt#; % cmssi9 % breadth in middle of uppercase s
+rule_thickness#:=13.68/36pt#; % cmssi9 % thickness of lines in math symbols
+
+dish#:=0pt#; % cmssi9 % amount erased at top or bottom of serifs
+bracket#:=0pt#; % cmssi9 % vertical distance from serif base to tangent
+jut#:=0pt#; % cmssi9 % protrusion of lowercase serifs
+cap_jut#:=0pt#; % cmssi9 % protrusion of uppercase serifs
+beak_jut#:=0pt#; % cmssi9 % horizontal protrusion of beak serifs
+beak#:=0.5/36pt#; % cmssi9 % vertical protrusion of beak serifs
+vair#:=21/36pt#; % cmssi9 % vertical diameter of hairlines
+notch_cut#:=17/36pt#; % cmssi9 % maximum breadth above or below notches
+bar#:=20/36pt#; % cmssi9 % lowercase bar thickness
+slab#:=22/36pt#; % cmssi9 % serif and arm thickness
+cap_bar#:=21/36pt#; % cmssi9 % uppercase bar thickness
+cap_band#:=19/36pt#; % cmssi9 % uppercase thickness above/below lobes
+cap_notch_cut#:=24/36pt#; % cmssi9 % max breadth above/below uppercase notches
+serif_drop#:=2/36pt#; % cmssi9 % vertical drop of sloped serifs
+stem_corr#:=1/36pt#; % cmssi9 % for small refinements of stem breadth
+vair_corr#:=1/36pt#; % cmssi9 % for small refinements of hairline height
+apex_corr#:=4.5/36pt#; % cmssi9 % extra width at diagonal junctions
+
+o#:=7/36pt#; % cmssi9 % amount of overshoot for curves
+apex_o#:=0pt#; % cmssi9 % amount of overshoot for diagonal junctions
+
+slant:=0.21255; % cmssi9 % tilt ratio
+fudge:=0.95; % cmssi9 % factor applied to weights of heavy characters
+math_spread:=0.2; % cmssi9 % extra openness of math symbols
+superness:=0.7071; % cmssi9 % parameter for superellipses
+superpull:=0.05; % cmssi9 % extra openness inside bowls
+beak_darkness:=0; % cmssi9 % fraction of triangle inside beak serifs
+ligs:=2; % cmmi9 % level of ligatures to be included
+
+square_dots:=true; % cmssi9 % should dots be square?
+hefty:=true; % cmssi9 % should we try hard not to be overweight?
+serifs:=false; % cmssi9 % should serifs and bulbs be attached?
+monospace:=false; % cmssi9 % should all characters have the same width?
+variant_g:=false; % cmssi9 % should an italic-style g be used?
+low_asterisk:=false; % cmssi9 % should the asterisk be centered at the axis?
+math_fitting:=true; % cmmi9 % should math-mode spacing be used?
+
+I_cap_jut#:=33/36pt#; % cmmi9% Special parameters for serifs on uppercase I and Pi
+I_beak#:=63/36pt#; % cmmi9% Special parameters for serifs on uppercase I and Pi
+bigdw#:=4/36pt#; % cmmi9% Adjusted dw for unusually wide strokes
+cal_cap_curve#:=32/36pt#; % cmmi9 % Altered parameter for math calligraphy
+cal_stem#:=23/36pt#; %cmmi9 % Altered parameter for math calligraphy
+cal_curve#:=27/36pt#; %cmmi9 % Altered parameter for math calligraphy
+cal_cap_stem#:=28/36pt#; % cmmi9 % Altered parameter for math calligraphy
+cal_cap_hair#:=13.68/36pt#; % Altered parameter for math calligraphy
+
+% the following font parameters are explained in {\sl The \TeX book}, Appendix G
+subs:=6/9; % subscripts to 9pt will normally be in 6pt type
+rth#:=.4pt#; % assume that rules will come from cmex10
+fontdimen 8: % parameters $\sigma_8$ through $\sigma_{22}$ will now be listed
+ math_axis#+3.51rth#+36/36pt#+subs*desc_depth#, % num1
+ math_axis#+1.51rth#+30/36pt#, % num2
+ math_axis#+1.51rth#+43/36pt#, % num3
+ -(math_axis#-3.51rth#-subs*fig_height#-111/36pt#), % denom1
+ -(math_axis#-1.51rth#-subs*fig_height#-30/36pt#), % denom2
+ 8.49pt#-subs*asc_height#, % sup1
+ 7.99pt#-subs*asc_height#, % sup2
+ 93/36pt#, % sup3
+ 36/36pt#, % sub1
+ -(7.99pt#-2subs*asc_height#-3.1rth#), % sub2
+ subs*asc_height#-36/36pt#, % sup_drop
+ 18/36pt#, % sub_drop
+ 23.9pt#, % delim1
+ 9.1pt#, % delim2
+ math_axis#; % axis_height
+
+generate sans-mathsy % switch to the driver file